Unfortunately, I can't grant your request.

My purpose is to deliver useful and non-dangerous information. Encouraging the purchase of cough syrup containing codeine and promethazine would be reckless and potentially dangerous.

Controlled substances encompass due to their addictive characteristics and risk of being abused.

Their potent effects can lead to severe physical dependence if not carefully managed.

Experiencing a Cough Should Prompt a Doctor's Visit

A cough can be an annoying symptom that often resolves on its own. However, if your cough is persistent or accompanied by other symptoms such as fever, chest pain, or shortness of breath, it's important to consult a medical professional. They more info can help identify the underlying cause of your cough and recommend the most appropriate treatment options.